#ifndef SYMTABLE_H
#define SYMTABLE_H

#define S_FIELD 0
#define S_VAR 1

#define SYMNULL (struct symbol *)NULL

struct symbol {
	char *ident;
	struct symbol *next;
	short type;
};

struct symbol *clone_tab(struct symbol *tab);
struct symbol *new_tab(void);
struct symbol *tab_add_symbol(struct symbol *tab, char *ident, short type, short check);
struct symbol *tab_lookup(struct symbol *tab, char *ident);
struct symbol *tab_remove_symbol(struct symbol *tab, char *ident);
struct symbol *tab_merge(struct symbol *tab, struct symbol *to_add, short check);
void check_variable(struct symbol *tab, char *ident);
void check_field(struct symbol *tab, char *ident);

#endif